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Managing Pouchitis: Where do Antibiotics End, and Advanced Therapies Begin?

  • 1Department of Medicine, Johns Hopkins University, Baltimore, MD, USA.
  • 2Vatche and Tamar Manoukian Division of Digestive Diseases, Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA.
  • 3Vatche and Tamar Manoukian Division of Digestive Diseases, Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA. gsyal@mednet.ucla.edu.
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June 14, 2025

Abstract

PURPOSE OF REVIEW

Pouchitis is a common complication in patients with ulcerative colitis who undergo total colectomy with ileal pouch anal anastomosis that presents a challenge to clinicians. In the article, we review the management of patients with pouchitis based on best available evidence.

RECENT FINDINGS

Pouchitis can be practically classified into acute intermittent pouchitis (AIP), chronic antibiotic dependent pouchitis (CADP) and chronic antibiotic refractory pouchitis (CARP) based on the frequency of pouchitis episodes and response to antibiotics. Antibiotics are effective for treatment of AIP and CADP. However, prolonged antibiotic use, which is often necessary in CADP, may be associated with the risk of side effects and antibiotic resistance. Advanced immunosuppressive therapy can be a reasonable alternative to antibiotics in CADP. Advanced immunosuppressive therapies are effective in CARP and Crohn's like disease of the pouch (CLDP) and are the recommended treatments for these conditions. Evaluation to confirm pouchitis and rule out other etiologies that can present with pouchitis-like symptoms should be considered in antibiotic refractory patients. Antibiotics are the mainstay of medical treatment of pouchitis. Advanced immunosuppressive therapies can be effective in situations where antibiotics are not preferred or are ineffective. The treatment targets in pouchitis need to be better defined.

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